Sound of Authority

Providing the attention to detail that each customer deserves…Care and concern that provides comfort…Trust that builds a relationship. We are with you from the ‘start to the success’ of your event.  That’s our attitude and that’s our policy.  Founded in 1978, Sound of Authority (SOA) is a Chicago based  production company recognized as a leading provider of precision sound systems, video systems, lighting, staging, backline...

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